DTE GAS COMPANY
gas_transmission Incident — — May 27, 2020
Incident Information
| Incident Date | May 27, 2020 |
| Operator | DTE GAS COMPANY |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 42.54188, -83.56061 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | MALFUNCTION OF CONTROL/RELIEF EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $125 |
| Emergency Response | $100 |
| Other Costs | $0 |
Location Map
Incident Narrative
DTE GAS (GAS CONTROL) RESPONDED TO A RELEASE OF NATURAL GAS AT THE MILFORD COMPRESSOR STATION ON 5/27/2020 AT APPROXIMATELY 03:24. NATURAL GAS BLEW FOR 1 HOUR AND 12 MINUTES. A TECHNICIAN ARRIVED ON SITE AT APPROXIMATELY 04:26. THE MILFORD TECHNICIAN FOUND VENT VALVE 1009 OPEN AND BLOWING. THE TECH CLOSED THE MANUAL VALVE TO THE BLOWDOWN STACK DOWNSTREAM OF 1009 TO STOP THE RELEASE AND THEN MANUALLY CLOSED VALVE 1009. THIS VALVE SERVES PLANT 1 WHICH WAS NOT OPERATING. AFTER CALCULATING THE AMOUNT OF LOST GAS, IT WAS DETERMINED THAT THIS WAS A REPORTABLE GAS RELATED INCIDENT. UPON FURTHER INVESTIGATION BY MILFORD AND CONTROL MAINTENANCE, IT WAS DETERMINED THE SOLENOID FOR VALVE 1009 WHICH KEEPS THE VALVE CLOSED DURING NORMAL OPERATION SHORTED OUT AND FAILED CAUSING THE VALVE TO OPEN. ADDITIONAL SOLENOIDS WERE REMOVED FROM ALL 6 VENT VALVES AT MILFORD AND RECONNECT THE ESD POWER AND PILOT GAS FOR TRADITIONAL NON- ELECTRONIC OPERATION. THIS WAS COMPLETED ON WEDNESDAY, MAY 27, 2020.
About This Pipeline Incident
Pipeline incident data is reported to the Pipeline and Hazardous Materials Safety Administration (PHMSA). All significant incidents involving fatalities, injuries, or property damage over $50,000 must be reported.